gemstone
Aquamarine
Beryl (Be3Al2Si6O18)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, pale blue to light green color, vitreous luster, and hexagonal crystal system with no distinct cleavage.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, pale blue to light green color, vitreous luster, and hexagonal crystal system with no distinct cleavage.
Formation & geological history
Forms primarily in pegmatites and hydrothermal veins, often crystallizing within cavities and miarolitic pockets of felsic igneous rocks.
Uses & applications
Prized globally as a high-end gemstone for fine jewelry, rings, and collector mineral specimens.
Geological facts
Aquamarine gets its delicate cyan color from trace amounts of iron substituting within the beryl crystal lattice.
Field identification & locations
Identified by its distinctive hexagonal crystal habit, high hardness, and pale blue-green transparency; commonly mined in Brazil, Pakistan, and Madagascar.
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